Science

Wednesday, 17 September 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Aurora
The phenomenon of the aurora borealis is the reason for increased tourism in the areas where it occurs.
In Finnish Lapland, a hotel (houses imitating igloos) was built, where the aurora can be admired lyi ...
Nicotine
Research on the therapeutic effects of nicotine is a very young field of knowledge because so far the focus has been on its negative impact on the body.
Psychiatrists have long wondered why almost 90 percent of patients with schizophrenia and depression ...
NASA
NASA logo is nicknamed the “meatball.”
It was designed by James Modarelli in 1959.
Amber
Amber possesses electrostatic properties.
It can produce static electricity when negatively charged by applying friction. Because of that, ancient Greeks named amber “elektron,” which became the basis for the word electricity.
Milky Way
It was only in 1610 that Galileo discovered that the Milky Way was made of stars.
Previously, it was believed that it could be part of the Earth's atmosphere or underexposed stars (it was believed that stars shine with light reflected from the Sun) that were in the Earth's shadow.
Graphene
Since the beginning of the 21st century, many companies and research laboratories have been working on developing commercial applications of graphene.
In 2014, the National Graphene Institute was established at the University of Manchester for this pu ...
NASA
NASA employs over 17,000 people.
Its HQ—Mary W. Jackson—is located in Washington, D.C.
Brain
The brain requires constant supplementation with oxygen.
Cut off from oxygen, brain cells start dying after about 5 minutes.
Amber
Amber was used for incense.
It was used both during religious ceremonies and in hospitals because it was believed to accelerate recovery and help to concentrate.
Fungi
Fungi, next to animals (Animalia) and plants (Plantae), form a separate, large kingdom of eukaryotic living organisms.
They occur in all climatic zones, mainly on land, but also in water, both salty and fresh.The actual ...